[INFO] updating cached repository jfschaefer/rust-senna
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jfschaefer/rust-senna
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jfschaefer/rust-senna" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/jfschaefer/rust-senna"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/jfschaefer/rust-senna'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jfschaefer/rust-senna" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/jfschaefer/rust-senna"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/jfschaefer/rust-senna'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff14b50b3cfae48cfa278b477c63245285ef0f6c
[INFO] sha for GitHub repo jfschaefer/rust-senna: ff14b50b3cfae48cfa278b477c63245285ef0f6c
[INFO] validating manifest of jfschaefer/rust-senna on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jfschaefer/rust-senna on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jfschaefer/rust-senna
[INFO] finished frobbing jfschaefer/rust-senna
[INFO] frobbed toml for jfschaefer/rust-senna written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/jfschaefer/rust-senna/Cargo.toml
[INFO] started frobbing jfschaefer/rust-senna
[INFO] finished frobbing jfschaefer/rust-senna
[INFO] frobbed toml for jfschaefer/rust-senna written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/jfschaefer/rust-senna/Cargo.toml
[INFO] crate jfschaefer/rust-senna already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/jfschaefer/rust-senna/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jfschaefer/rust-senna against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-3/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/jfschaefer/rust-senna:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 07742e7e4a50e26ddabed40b4283e497c4a7208345b5cab8d29d11b624718691
[INFO] running `"docker" "start" "-a" "07742e7e4a50e26ddabed40b4283e497c4a7208345b5cab8d29d11b624718691"`
[INFO] [stderr]    Compiling rust-senna v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `sentence`
[INFO] [stderr]   --> tests/lib.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let sentence = senna.parse("Let mathformula be a finitely generated group of subexponential growth (e.g., mathformula); let mathformula be a finite set of generators for mathformula (e.g., the von Neumann or Moore neighborhood) and let mathformula be the set of reduced words on mathformula having at most length mathformula; let mathformula, and let mathformula be the quotient of mathformula with respect to the equivalence relation mathformula endowed with the topology induced by the distance mathformula Let mathformula be a cellular automaton over mathformula having set of states mathformula.  1.  mathformula induces in a natural way a Lipschitz continuous mathformula.  2.  mathformula is surjective if and only if mathformula is surjective.  3.  mathformula is injective if and only if it is invertible.", SennaParseOptions { pos: true, psg: true, });
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_sentence`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.48s
[INFO] running `"docker" "inspect" "07742e7e4a50e26ddabed40b4283e497c4a7208345b5cab8d29d11b624718691"`
[INFO] running `"docker" "rm" "-f" "07742e7e4a50e26ddabed40b4283e497c4a7208345b5cab8d29d11b624718691"`
[INFO] [stdout] 07742e7e4a50e26ddabed40b4283e497c4a7208345b5cab8d29d11b624718691